(19)

(11)

EP 1 677 885 A2

(12)

(88) Date of publication A3: 30.06.2005 (43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04785164.7 (22) Date of filing: 27.09.2004

(51) International Patent Classification (IPC):  B01D 9/00(1968.09) (86) International application number: PCT/US2004/031739 (87) International publication number: WO 2005/031310 (07.04.2005 Gazette 2005/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 25.09.2003 US 506125 P (71) Applicant: Sagres Discovery, Inc. Emeryville, CA 94662-8097 (US)	(72) Inventor: HANSON, Michael Emeryville, CA 94662-8097 (US) (74) Representative: Marshall, Cameron John et al Carpmaels & Ransford 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)